Base | Representation |
---|---|
bin | 1111010100001… |
… | …1111001010110 |
3 | 11110212210102010 |
4 | 3311003321112 |
5 | 112421204423 |
6 | 10212525050 |
7 | 1410020145 |
oct | 365037126 |
9 | 143783363 |
10 | 64241238 |
11 | 33298436 |
12 | 19620786 |
13 | 10403589 |
14 | 876375c |
15 | 598e693 |
hex | 3d43e56 |
64241238 has 32 divisors (see below), whose sum is σ = 133079040. Its totient is φ = 20652480.
The previous prime is 64241209. The next prime is 64241239. The reversal of 64241238 is 83214246.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64241239) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105531 + ... + 106137.
It is an arithmetic number, because the mean of its divisors is an integer number (4158720).
Almost surely, 264241238 is an apocalyptic number.
64241238 is an abundant number, since it is smaller than the sum of its proper divisors (68837802).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64241238 is a wasteful number, since it uses less digits than its factorization.
64241238 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1212.
The product of its digits is 9216, while the sum is 30.
The square root of 64241238 is about 8015.0631937621. The cubic root of 64241238 is about 400.5019490211.
The spelling of 64241238 in words is "sixty-four million, two hundred forty-one thousand, two hundred thirty-eight".
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